期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.160501
关键词
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资金
- NSERC
- CIFAR
- Industry Canada
- Ontario Ministry of Research and Innovation
- National Security Agency (NSA) [W911NF-05-1-0469]
We present a protocol to evaluate the expectation value of the correlations of measurement outcomes for ensembles of quantum systems, and use it to experimentally demonstrate-under an assumption of fair sampling-the violation of an inequality that is satisfied by any noncontextual hidden-variables theory. The experiment is performed on an ensemble of molecular nuclear spins in the solid state, using established nuclear magnetic resonance techniques for quantum-information processing.
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